linux-kernel - Re: [PATCH 2/5] locking/mutex: Relax to atomic/release semantics

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Message-ID: <20150920184503.GA19445@linux-q0g1.site>
Date:	Sun, 20 Sep 2015 11:45:03 -0700
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Will Deacon <will.deacon@....com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH 2/5] locking/mutex: Relax to atomic/release semantics

On Sun, 20 Sep 2015, Linus Torvalds wrote:

>On Sun, Sep 20, 2015 at 3:11 AM, Davidlohr Bueso <dave@...olabs.net> wrote:
>> ... by using acquire semantics where appropriate As such, weakly
>> ordered archs can benefit from more relaxed use of barriers when
>> issuing atomics.
>
>Subject line is wrong. I'm assuming it should be acquire/release
>rather than atomic/release.

Dear me, yes.
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